Free Download as PDF of the detailed solutions for class 12 Biology from NCERT or CBSE text book as per exam pattern, to help you in day to day learning. We provide all important questions and answers from chapter Health and Diseases of Biology.
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Answer: 7 – 17 days
Answer: Malignant tumour
Answer: Helper T-cells
Answer: HIV
Answer: Leprosy
Answer: All of the above
Answer: Streptococcus species
Answer: Fungi
Answer: Serological interaction
Answer: S. typhi
Answer: Protein/essential amino acid deficiency
Answer: degenerative diseases
Answer: physical agent
Answer: Lung
Answer: Plasmodium